Home / 48,234,183.12-72,310,605.93-20,919,911.85

Finding the Fourth Proportional to 48,234,183.12, 72,310,605.93 and 20,919,911.85

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Solution

The fourth proportional to 48,234,183.12, 72,310,605.93 and 20,919,911.85 is: 31,362,229.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,234,183.12 : 72,310,605.93 = 20,919,911.85 : x
  2. Step 2: Convert to fraction form
    48,234,183.12/72,310,605.93 = 20,919,911.85/x
  3. Step 3: Cross multiply
    48,234,183.12x = 72,310,605.93 × 20,919,911.85
  4. Step 4: Simplify right side
    48,234,183.12x = 1,512,731,501,875,687.50
  5. Step 5: Solve for x
    x = 1,512,731,501,875,687.50/48,234,183.12
  6. Step 6: Final answer
    x = 31,362,229.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.